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THURSDAY, 21 MAY 2026, 12:09

Science/Tech

Datatec is firing on all cylinders

07 May at 09:31 AM, via TechCentral

JSE-listed Datatec expects headline earnings per share to rise more than 50% for the year ended 28 February 2026.

100 years on Earth: celebrating David Attenborough’s birthday – podcast

07 May at 06:00 AM, via The Guardian

To celebrate Sir David Attenborough’s centenary, Madeleine Finlay catches up with natural history writer Patrick Barkham, who has met the celebrated presenter. They explore how the natural world has changed in the century that Attenborough has been on Earth, and how his programming has reflected his growing commitment to highlighting the devastating impacts of the climate crisis on nature and...

Bioluminescent algae’s blue light harnessed to make 3D-printed shapes

06 May at 20:00 PM, via The Guardian

Scientists suggest algae could be embedded within biosensors that glow when toxins detected in the environment

The captivating blue glow emitted by a sea-dwelling species of algae has been harnessed by scientists in the US to make light-emitting structures.

Pyrocystis lunula is a bioluminescent single-celled organism that sometimes produces brief flashes of blue light. Large clumps of the algae...

Lacunar strokes caused by widening of arteries in brain, study suggests

06 May at 17:25 PM, via The Guardian

Finding would explain why type of stroke affecting about 35,000 a year in UK is not as responsive to some medication

The cause of a type of stroke that affects about 35,000 people across UK each year has been uncovered by researchers and may explain why some medications are ineffective as treatment.

Lacunar strokes, which account for a quarter of all strokes in the UK, had been linked to the...

The 48-month phone contract trap

06 May at 14:46 PM, via TechCentral

Longer contracts have become South Africa’s answer to unaffordable smartphones – but at a big long-term cost to consumers.

AI is rewriting the threat playbook

06 May at 11:31 AM, via TechCentral

South Africa’s AI policy will be rewritten. The threat won’t wait, writes Palo Alto Networks’ Justin Lee.

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